For a given input string str, find how many spaces are there in the string and replace those spaces with *
e.g. str = 'this is demo of replacing spaces with stars';
out = 'this*is*demo*of*replacing*spaces*with*stars'
Sum the elements in either diagonal of a square matrix
Celsius to Fahrenheit converter
Returning a "greater than" vector
Return the names and values of the input arguments of a function
Let's get back to school: create mixed numbered fraction
Matrix multiplication across rows
Create a matrix with difference of each row of input matrix
Tax Season ! How much is my salary?
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